Open heart surgery - Replacing our search index on the fly


Our long journey into replacing our current search index in Solr answering 2 million queries daily with minimal disruption and loss. Our most embarrassing moments and proudest successes and some thoughts on how we could have done it better.

We had an old version of Solr installed on an on premise Linux machine that we wanted to upgrade and also move to Azure. The upgrading was a whole journey of itself, but the testing, deploying and setup is what I’ll be focusing on.



Elin Brusberg

Worked as a developer for many years, spent the last 4 years rebuilding the backend team in 1881. Not a lot of time left for coding now, but I am still very much involved in the technical solutions. I ...